from tkinter import *

print("Введите начальную координату X:")
x=int(input())
print("Введите начальную координату Y:")
y=int(input())
print("Введите коэффициент увеличения N:")
n=int(input())

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 0, 30, 0, 30, 20, 0, 20]

if n==0 and x>=0 and x<=500 and y>=0 and y<=500:
    pass
else:
    if n>0 and 0*n+x>=0 and 0*n+x<=500 and 20*n+y>=0 and 20*n+y<=500:
        pass
    else:
        if n<0 and 20*n+x>=0 and 20*n+x<=500 and 0*n+y>=0 and 0*n+y<=500:
            pass
        else:
            print("Размер фигуры превышает максимальный размер поля")
            exit()

root=Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas=Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] *n+x, coords[1] *n+y,
                      coords[2] *n+x, coords[3] *n+y,
                      coords[4] *n+x, coords[5] *n+y,
                      coords[6] *n+x, coords[7] *n+y,
                      coords[8] *n+x, coords[9] *n+y,
                      coords[10] *n+x, coords[11] *n+y,
                      coords[12] *n+x, coords[13] *n+y,
                      coords[14] *n+x, coords[15] *n+y)

root.mainloop()
